Curved Transparent Display Panel for Optical Communication on Vehicles
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Solution Overview
Problem
The installation of light emitters in optical communication systems on moving bodies, such as vehicles, is limited by complex shapes and large transparent windows, making it difficult to increase the area of the light emitting portion.
Innovation Solution
The use of a display panel with a curved surface as a light emitter, allowing for flexible installation on complex shapes and enabling space division multiplexing communication, along with an organic electroluminescent (EL) display panel that allows background light to pass through, enhancing reliability and design integration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a traditional light emitter is used, then the installation location is restricted by the complicated shape of the moving body outer surface, but the light emitting area can be increased
Solution Approach 1:
The patent applies a curved surface display panel instead of a flat light emitter. The curved surface can conform to the complicated shape of the moving body outer surface, allowing the light emitter to be installed in locations with complex geometries while maintaining a large light emitting area. The curvature enables the display panel to adapt to surfaces like vehicle exteriors that have non-planar features.
Solution Approach 2:
The patent changes the physical parameters of the light emitter by using a flexible display panel with adjustable curvature. This allows the light emitter to adapt its shape and installation angle to match the complex outer surface geometry of the moving body, thereby expanding possible installation locations without compromising the light emitting area.
2Adaptability or versatility
If a transparent display panel is used, then the installation location is expanded to include window glass and directional indicator lenses, but the visibility of the light emitter is reduced
Solution Approach 1:
The patent uses a transparent display panel that can modulate its optical properties. The panel can switch between transparent and light-emitting states, or adjust its transparency level, allowing it to be installed on window glass and directional indicator lenses while maintaining both aesthetic integration and sufficient visibility for optical communication when activated.
3Reliability
If multiple display panels are layered, then the reliability of the light emitter is enhanced, but the installation area increases
Solution Approach 1:
The patent layers multiple display panels in an overlapping configuration where the panels are positioned at different depths or angles. This nested arrangement allows the light emitters to be doubled for enhanced reliability while minimizing the increase in substantial installation area, as the panels share the same spatial footprint rather than requiring separate mounting spaces.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration relaxes the limitations on light emitter installation, enables reliable communication, and maintains the aesthetic integrity of the moving body by allowing installation in areas where traditional light emitters cannot be used, such as window glass and directional indicators.
Implementation Method 1
the display panel may be an organic electroluminescent (EL) display panel
Data Source
AI summary
The optical communication system includes a transmitter including a display panel which has a curved surface and is capable of emitting light, and a transmission controller which causes the display panel to emit light representing an information signal; and a receiver including an image sensor which receives the light emitted from the display panel, and a reception controller which extracts the information signal from the light received by the image sensor. The display panel may be a transparent display panel which allows background light to pass through.